<template>
  <div>
    <TypeNav></TypeNav>
    <div class="main">
      <div class="py-container">
        <!--bread-->
        <div class="bread">
          <ul class="fl sui-breadcrumb">
            <li>
              <a href="#">全部结果</a>
            </li>
          </ul>
          <ul class="fl sui-tag">
            <!-- 分类 -->
            <li class="with-x" v-if="searchParams.categoryName">{{ searchParams.categoryName }}<i
                @click="removeCategoryName">x</i></li>
            <!-- 关键字 -->
            <li class="with-x" v-if="searchParams.keyword">{{ searchParams.keyword }}<i @click="removeKeyword">x</i>
            </li>
            <!-- 点击品牌后，出现面包屑 用split函数整理字符串，拿出指定内容-->
            <li class="with-x" v-if="searchParams.trademark">{{ searchParams.trademark.split(":")[1] }}
              <i @click="removeTrademark">x</i>
            </li>
            <!-- 点击不同的商品属性后出现的面包屑 -->

            <li class="with-x" v-for="(attrValue, index) in searchParams.props" :key="index">{{ attrValue.split(":")[1] }}
              <i @click="removeAttr(index)">x</i>
            </li>
          </ul>
        </div>

        <!--selector-->
        <!-- 父子组件传值 -->
        <SearchSelector @trademarkInfo="trademarkInfo" @attrInfo="attrInfo" />

        <!--details-->
        <div class="details clearfix">
          <div class="sui-navbar">
            <div class="navbar-inner filter">
              <ul class="sui-nav">
                <!-- 选中的 标红、带箭头 -->
                <li :class="{ active: isOne }" @click="changeOrder('1')">
                  <a>综合<span v-show="isOne" class="iconfont"
                      :class="{ 'icon-up-arrow': isAsc, 'icon-arrowdown': isDesc }"></span></a>
                </li>
                <li :class="{ active: isTwo }" @click="changeOrder('2')">
                  <a>价格<span v-show="isTwo" class="iconfont"
                      :class="{ 'icon-up-arrow': isAsc, 'icon-arrowdown': isDesc }"></span></a>
                </li>

              </ul>
            </div>
          </div>
          <!-- 销售产品列表 -->
          <div class="goods-list">
            <ul class="yui3-g">
              <li class="yui3-u-1-5" v-for="(good, index) in goodsList" :key="good.id">
                <div class="list-wrap">
                  <div class="p-img">
                    <router-link :to="`/detail/${good.id}`"><img v-lazy="good.defaultImg" /></router-link>
                  </div>
                  <div class="price">
                    <strong>
                      <em>¥ </em>
                      <i>{{ good.price }}</i>
                    </strong>
                  </div>
                  <div class="attr">
                    <a target="_blank" href="item.html" title="促销信息，下单即赠送三个月CIBN视频会员卡！【小米电视新品4A 58 火爆预约中】">Apple苹果iPhone
                      {{ good.title }}</a>
                  </div>
                  <div class="commit">
                    <i class="command">已有<span>2000</span>人评价</i>
                  </div>
                  <div class="operate">
                    <a href="success-cart.html" target="_blank" class="sui-btn btn-bordered btn-danger">加入购物车</a>
                    <a href="javascript:void(0);" class="sui-btn btn-bordered">收藏</a>
                  </div>
                </div>
              </li>
            </ul>
          </div>
          <!-- 分页器 -->
          <Pagination :pageNo="searchParams.pageNo" :pageSize="searchParams.pageSize" :total="total" :continues="5"
            @getPageNo="getPageNo">
          </Pagination>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import { mapGetters, mapState } from 'vuex';
import SearchSelector from './SearchSelector/SearchSelector'
export default {
  name: 'search',
  components: {
    SearchSelector
  },
  data () {
    return {
      // 给服务器的参数
      searchParams: {
        // 各级分类
        category1Id: "",
        category2Id: "",
        category3Id: "",
        // 分类名
        categoryName: "",
        // 用户输入的关键字
        keyword: "",
        // 排序
        order: "1:desc",
        // 当前为第 pageNo 页 默认 1
        pageNo: 1,
        // 每页展示多少条数据
        pageSize: 3,
        // 平台售卖商品的参数 (筛选用)
        props: [],
        // 品牌
        trademark: ""
      }
    }
  },
  // 此函数功能，组件加载完毕之前，执行函数体的内容。
  // 用户点击侧边导航栏时，优先获取到用户点击的内容
  // 发送给服务器查询，然后返回到搜索页面展示结果
  beforeMount () {
    // ES6合并对象语法，避免获取用户点击的内容，重复书写代码
    // 用户选择的内容，路由参数，提交对象
    Object.assign(this.searchParams, this.$route.query, this.$route.params)
  },
  computed: {
    // 通过计算属性取数据，简化。
    // 传递的是数组
    ...mapGetters(['goodsList']),
    //  计算属性 在此处对排序进行处理，得到是1 or 2 是 倒序 还是 正序
    isOne () {
      return this.searchParams.order.indexOf('1') != -1
    },
    isTwo () {
      return this.searchParams.order.indexOf('2') != -1
    },
    // 箭头
    isAsc () {
      return this.searchParams.order.indexOf('asc') != -1
    },
    isDesc () {
      return this.searchParams.order.indexOf('desc') != -1
    },
    ...mapState({
      total: state => state.search.searchList.total
    })

  },
  //组件加载完毕，发请求
  mounted () {
    this.getData();
  },
  methods: {
    // 搜索功能，向服务器发请求
    getData () {
      this.$store.dispatch('getSearchList', this.searchParams);
    },
    // 删除分类名
    removeCategoryName () {
      // 设置为undefined，可以避免没用的数据传输占用宽带
      this.searchParams.categoryName = undefined;
      this.searchParams.category1Id = undefined;
      this.searchParams.category2Id = undefined;
      this.searchParams.category3Id = undefined;
      this.getData();
      //同时修改地址栏，路由跳转 保留params参数
      if (this.$route.params) {
        //编程式导航      
        this.$router.push({ name: "search", params: this.$route.params });
      }
    },
    // 删除关键字
    removeKeyword () {
      // 关键字面包屑置空
      this.searchParams.keyword = undefined
      // 再次发送请求
      this.getData()
      // 通知兄弟组件清除搜索框关键字
      this.$bus.$emit('clear')
      // 路由跳转
      //同时修改地址栏，路由跳转 保留query参数
      if (this.$route.query) {
        //编程式导航      
        this.$router.push({ name: "search", query: this.$route.query });
      }
    },
    // 自定义事件回调
    trademarkInfo (trademark) {
      // 此处提交给服务器
      // 整理参数 拼接字符串
      this.searchParams.trademark = `${trademark.tmId}:${trademark.tmName}`;
      // 发送请求，获取新数据并展示
      this.getData();
    },
    // 删除品牌信息
    removeTrademark () {
      // 品牌信息置空
      this.searchParams.trademark = undefined
      this.getData();
    },
    // 收集商品属性-发送请求
    attrInfo (attr, attrValue) {
      // 整理格式
      let props = `${attr.attrId}:${attrValue}:${attr.attrName}`;
      //  <!-- 数组去重 --> 
      if (this.searchParams.props.indexOf(props) == -1) {
        this.searchParams.props.push(props)
      }
      // 发送请求
      this.getData()
    },
    // 删除商品属性-发送请求
    removeAttr (index) {
      // 整理参数
      this.searchParams.props.splice(index, 1);
      // 重发请求
      this.getData()
    },
    // 排序操作
    changeOrder (flag) {
      // 用户点击具体排序要求
      // let originOrder = this.searchParams.order;
      // 拆分获取当前排序情况
      let originFlag = this.searchParams.order.split(":")[0];
      let originSort = this.searchParams.order.split(":")[1];
      let newOrder = "";
      // 修改排序
      if (flag == originFlag) {

        newOrder = `${originFlag}:${originSort == "desc" ? "asc" : "desc"}`

      } else {
        // 无论何种排序，初始排序都是降序（后台规定的）
        newOrder = `${flag}:${"desc"}`
      }
      // 发请求
      this.searchParams.order = newOrder;
      this.getData()
    },

    // 分页器自定义函数
    getPageNo (pageNo) {
      console.log('666' + pageNo)
      // 整理参数
      this.searchParams.pageNo = pageNo
      this.getData()
    }
  },
  // 数据监听
  watch: {
    // 监听路由变化,准备再次发送请求，实现搜索
    $route (newValue, oldValue) {
      // 整理参数
      Object.assign(this.searchParams, this.$route.query, this.$route.params)
      // 再次发起请求
      this.getData();
      // 把分类id置空，接收搜索关键字对应的新分类,其他参数项会在路由发生变化时，赋新值。
      this.searchParams.category1Id = undefined;
      this.searchParams.category2Id = undefined;
      this.searchParams.category3Id = undefined;
    }
  }

}
</script>

<style lang="less" scoped>
.main {
  margin: 10px 0;

  .py-container {
    width: 1200px;
    margin: 0 auto;

    .bread {
      margin-bottom: 5px;
      overflow: hidden;

      .sui-breadcrumb {
        padding: 3px 15px;
        margin: 0;
        font-weight: 400;
        border-radius: 3px;
        float: left;

        li {
          display: inline-block;
          line-height: 18px;

          a {
            color: #666;
            text-decoration: none;

            &:hover {
              color: #4cb9fc;
            }
          }
        }
      }

      .sui-tag {
        margin-top: -5px;
        list-style: none;
        font-size: 0;
        line-height: 0;
        padding: 5px 0 0;
        margin-bottom: 18px;
        float: left;

        .with-x {
          font-size: 12px;
          margin: 0 5px 5px 0;
          display: inline-block;
          overflow: hidden;
          color: #000;
          background: #f7f7f7;
          padding: 0 7px;
          height: 20px;
          line-height: 20px;
          border: 1px solid #dedede;
          white-space: nowrap;
          transition: color 400ms;
          cursor: pointer;

          i {
            margin-left: 10px;
            cursor: pointer;
            font: 400 14px tahoma;
            display: inline-block;
            height: 100%;
            vertical-align: middle;
          }

          &:hover {
            color: #28a3ef;
          }
        }
      }
    }

    .details {
      margin-bottom: 5px;

      .sui-navbar {
        overflow: visible;
        margin-bottom: 0;

        .filter {
          min-height: 40px;
          padding-right: 20px;
          background: #fbfbfb;
          border: 1px solid #e2e2e2;
          padding-left: 0;
          border-radius: 0;
          box-shadow: 0 1px 4px rgba(0, 0, 0, 0.065);

          .sui-nav {
            position: relative;
            left: 0;
            display: block;
            float: left;
            margin: 0 10px 0 0;

            li {
              float: left;
              line-height: 18px;

              a {
                display: block;
                cursor: pointer;
                padding: 11px 15px;
                color: #777;
                text-decoration: none;
              }

              &.active {
                a {
                  background: #e1251b;
                  color: #fff;
                }
              }
            }
          }
        }
      }

      .goods-list {
        margin: 20px 0;

        ul {
          display: flex;
          flex-wrap: wrap;

          li {
            height: 100%;
            width: 20%;
            margin-top: 10px;
            line-height: 28px;

            .list-wrap {
              .p-img {
                padding-left: 15px;
                width: 215px;
                height: 255px;

                a {
                  color: #666;

                  img {
                    max-width: 100%;
                    height: auto;
                    vertical-align: middle;
                  }
                }
              }

              .price {
                padding-left: 15px;
                font-size: 18px;
                color: #c81623;

                strong {
                  font-weight: 700;

                  i {
                    margin-left: -5px;
                  }
                }
              }

              .attr {
                padding-left: 15px;
                width: 85%;
                overflow: hidden;
                margin-bottom: 8px;
                min-height: 38px;
                cursor: pointer;
                line-height: 1.8;
                display: -webkit-box;
                -webkit-box-orient: vertical;
                -webkit-line-clamp: 2;

                a {
                  color: #333;
                  text-decoration: none;
                }
              }

              .commit {
                padding-left: 15px;
                height: 22px;
                font-size: 13px;
                color: #a7a7a7;

                span {
                  font-weight: 700;
                  color: #646fb0;
                }
              }

              .operate {
                padding: 12px 15px;

                .sui-btn {
                  display: inline-block;
                  padding: 2px 14px;
                  box-sizing: border-box;
                  margin-bottom: 0;
                  font-size: 12px;
                  line-height: 18px;
                  text-align: center;
                  vertical-align: middle;
                  cursor: pointer;
                  border-radius: 0;
                  background-color: transparent;
                  margin-right: 15px;
                }

                .btn-bordered {
                  min-width: 85px;
                  background-color: transparent;
                  border: 1px solid #8c8c8c;
                  color: #8c8c8c;

                  &:hover {
                    border: 1px solid #666;
                    color: #fff !important;
                    background-color: #666;
                    text-decoration: none;
                  }
                }

                .btn-danger {
                  border: 1px solid #e1251b;
                  color: #e1251b;

                  &:hover {
                    border: 1px solid #e1251b;
                    background-color: #e1251b;
                    color: white !important;
                    text-decoration: none;
                  }
                }
              }
            }
          }
        }
      }

      .page {
        width: 733px;
        height: 66px;
        overflow: hidden;
        float: right;

        .sui-pagination {
          margin: 18px 0;

          ul {
            margin-left: 0;
            margin-bottom: 0;
            vertical-align: middle;
            width: 490px;
            float: left;

            li {
              line-height: 18px;
              display: inline-block;

              a {
                position: relative;
                float: left;
                line-height: 18px;
                text-decoration: none;
                background-color: #fff;
                border: 1px solid #e0e9ee;
                margin-left: -1px;
                font-size: 14px;
                padding: 9px 18px;
                color: #333;
              }

              &.active {
                a {
                  background-color: #fff;
                  color: #e1251b;
                  border-color: #fff;
                  cursor: default;
                }
              }

              &.prev {
                a {
                  background-color: #fafafa;
                }
              }

              &.disabled {
                a {
                  color: #999;
                  cursor: default;
                }
              }

              &.dotted {
                span {
                  margin-left: -1px;
                  position: relative;
                  float: left;
                  line-height: 18px;
                  text-decoration: none;
                  background-color: #fff;
                  font-size: 14px;
                  border: 0;
                  padding: 9px 18px;
                  color: #333;
                }
              }

              &.next {
                a {
                  background-color: #fafafa;
                }
              }
            }
          }

          div {
            color: #333;
            font-size: 14px;
            float: right;
            width: 241px;
          }
        }
      }
    }
  }
}
</style>